*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font: inherit;
    /*font-family: 宋体, system-ui;*/
}

/*.app-all{
  min-width: 1024px;
  max-width: 1500px;
  padding-left: 10px;
}*/

.index-all {
    /*border: red solid 1px;*/
    min-width: 1024px;
    width: 100%;
    max-width: 1500px;
    min-height: 700px;
    max-height: 100%;
}